Optical redistribution of microparticles and cells between microwells

Jörg Baumgartl; Gregor M. Hannappel; David J. Stevenson; Daniel Day; Min Gu; Kishan Dholakia

doi:10.1039/B901322A

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Lab on a Chip

Issue 10, 2009

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Optical redistribution of microparticles and cells between microwells

Jörg Baumgartl , Gregor M. Hannappel , David J. Stevenson , Daniel Day , Min Gu and Kishan Dholakia

Lab Chip, 2009, 9, 1334-1336

DOI: 10.1039/B901322A
Received 21 Jan 2009, Accepted 05 Mar 2009
First published on the web 18 Mar 2009

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The shaping of laser beams has developed into a powerful tool for optical micromanipulation. In this context, Airy and parabolic laser beams which follow curved trajectories have drawn considerable attention. These beams may allow clearing of microparticles through particle transport along curved paths, a concept termed “optically mediated particle clearing (OMPC).” In this communication we apply this concept to microparticles and cells within specially designed microwells. Our results open novel perspectives for the redistribution of cells between different media within a microfluidic environment.

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Articles By

Jörg Baumgartl
Gregor M. Hannappel
David J. Stevenson
Daniel Day
Min Gu
Kishan Dholakia

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Lab on a Chip

Optical redistribution of microparticles and cells between microwells

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